3 Monitors not working, despite active adapters

Mike_1337

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May 10, 2014
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Hi guys,


I'm sure you read this question a million times, still i cant find an answer.

I have a HD7870 with one HDMI one DVI and 2 MDP ports.

My monitors are connected as follows.

1 HDMI 1 DVI and 1 MPD with an amd recommended active dongle.

However, i got the same problem as i had with a passive dongle. All 3 monitors are recognized but i can only have two of them active at a time.

Am i missing any driver or so?

PS:

Setup is working when i connect my third monitor with a passive MDP->VGA dongle (from my macbook, pretty sure its a passive one).

I have been searchin for hours. But all threads i find tell me to use an active dongle which i do.

Pleaaaase help me
 

Mike_1337

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May 10, 2014
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Hi Kevin,

thanks for the fast reply.
I bought this one from amazon.
http://www.amazon.de/gp/product/B0041OEQA6/ref=oh_details_o01_s00_i02?ie=UTF8&psc=1
(Its in german i'm afraid ^^)
It is also listed on the amd website and the package also says that it converts the HDMI signal into an actual dp signal.

So this should be right.
 

Mike_1337

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May 10, 2014
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I already ordered another one just to try it. It is a bit strange though cause this specific model is listed on the amd site. Where did you find comments? Did u look it up on amazon uk?

Thanks for your help!

update:
Seems u're right. Everyone is complaining because it isnt active. :)
http://www.amazon.co.uk/Accell-B086B-002B-UltraAV-Display-Adapter/dp/B0041OEQA6/ref=sr_1_1?ie=UTF8&qid=1399773236&sr=8-1&keywords=Accell+B086B-002B+UltraAV

 

Mike_1337

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May 10, 2014
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i didnt order the same one.
This one should be fine right?
http://www.amazon.co.uk/StarTech-1920x1200-Display-Adapter-Converter/dp/B009YCE11E/ref=sr_1_1?ie=UTF8&qid=1399773457&sr=8-1&keywords=mini+dp+to+hdmi+active

 

Mike_1337

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May 10, 2014
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Thanks so much again for your fast answer, I'm pretty confident it will work now. ;)
Next time i will look up the english site for comments. Didnt think of that.